Pith Number

pith:2ZFBEJB7

pith:2017:2ZFBEJB77UKH2MWBOHEW4CMBMX

not attested not anchored not stored refs pending

Exciton mass and exciton spectrum in the cuprous oxide

Andreas Alvermann, Holger Fehske

arxiv:1707.09224 v2 · 2017-07-28 · cond-mat.mtrl-sci · cond-mat.mes-hall · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZFBEJB77UKH2MWBOHEW4CMBMX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:24:59.808997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d64a12243ffd147d32c171c96e098165c43b8bddd45a855ff22eb96f954c7cb1

Aliases

arxiv: 1707.09224 · arxiv_version: 1707.09224v2 · doi: 10.48550/arxiv.1707.09224 · pith_short_12: 2ZFBEJB77UKH · pith_short_16: 2ZFBEJB77UKH2MWB · pith_short_8: 2ZFBEJB7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2ZFBEJB77UKH2MWBOHEW4CMBMX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d64a12243ffd147d32c171c96e098165c43b8bddd45a855ff22eb96f954c7cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "246c7fabd7164a66802cd6ac1bf4bfe89e4ce8e4b2b92ef187381334860a3731",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-07-28T13:30:07Z",
    "title_canon_sha256": "5162de301ed29cc1d2f73919ba1ff2a23a800cd208626afc64fcf34e04aebded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09224",
    "kind": "arxiv",
    "version": 2
  }
}